Ability of Four Toothpastes to Remove Plaque

Status Completed

Clinical Trial Summary

The aim of this study is to evaluate and compare the plaque removal efficacy of four experimental toothpastes following a single timed brushing. Prior to each treatment visit, participants will abstain from oral hygiene for a period of 24 hours (+6hrs, -2hrs), immediately preceding a pre-brushing dental plaque evaluation. Participants will then brush once under supervision for one timed minute with each dentifrice after which re-disclosing and a post-brushing plaque assessment will be carried out.

Clinical Trial Description

This study will be a single centre, randomized, controlled, examiner blind, four treatment, four period crossover design. At the screening visit, following provision of written informed consent, eligible participants will be provided with a washout toothpaste and toothbrush for use at home during the study and for at least 14 days prior to the first treatment visit.

Participants will then be scheduled to attend the first of four treatment visits a minimum of 14 days later. For each treatment visit, participants must abstain from oral hygiene for a period of 24 hours (+6hrs, -2hrs), immediately preceding the pre-brushing dental plaque evaluation. All the participants will undergo an oral soft tissue (OST) examination followed by disclosing and a dental plaque assessment.

At the treatment visit 1 pre-brushing plaque assessment, those who develop a sufficient amount of plaque (Turesky mean score ≥ 2.00) will be randomized to study treatment. Participants will then brush once (1.5 grams [g] ± 0.05g of assigned toothpaste), under supervision of study staff for one timed minute, with one of the four test toothpastes after which re-disclosing and a post-brushing plaque assessment will be carried out. Participants will be allowed to brush with the washout paste following the post assessment plaque assessments.

A minimum of three days washout period will follow each treatment period during which period Participants will brush with a commercial washout toothpaste. Participants will complete four treatment visits and will brush once with each of the four test toothpastes throughout the course of the study. ;

Study Design

Related Conditions & MeSH terms

Dental Plaque

Clinical Trial Details

NCT number	NCT03285984
Study type	Interventional
Source	GlaxoSmithKline
Contact
Status	Completed
Phase	N/A
Start date	March 27, 2012
Completion date	May 8, 2012

View Details

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.